CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Income Statement [Abstract]
Revenue	$ 371,783	$ 378,672	$ 1,436,046	$ 1,357,204
Cost of revenue	195,935	200,811	763,779	714,142
Gross profit	175,848	177,861	672,267	643,062
Operating expenses
Research and development	62,522	55,578	188,798	164,294
Sales and marketing	63,993	67,231	207,684	198,888
General and administrative	42,373	38,323	126,189	113,372
Total operating expenses	168,888	161,132	522,671	476,554
Operating income	6,960	16,729	149,596	166,508
Other income (expense), net
Interest income	429	34	585	114
Interest expense	(196)	(77)	(384)	(525)
Other income (expense), net	(9,858)	1,998	(13,541)	4,678
Total other income (expense), net	(9,625)	1,955	(13,340)	4,267
Income (loss) before provision for (benefit from) income taxes	(2,665)	18,684	136,256	170,775
Provision for (benefit from) income taxes	(2,068)	858	4,805	3,436
Net income (loss)	(597)	17,826	131,451	167,339
Net income (loss) attributable to common stockholders:
Basic and diluted	$ (597)	$ 17,826	$ 131,451	$ 167,339
Basic (in USD per share)	$ 0.00	$ 0.14	$ 1.03	$ 1.38
Diluted (in USD per share)	$ 0.00	$ 0.12	$ 0.94	$ 1.20
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders:
Basic (in shares)	127,884,400	125,138,279	127,886,487	120,876,472
Diluted (in shares)	127,884,400	144,181,632	139,502,527	139,293,775
Total comprehensive income(loss).
Net income	$ (597)	$ 17,826	$ 131,451	$ 167,339
Change in foreign currency translation adjustment	(1,711)	(784)	(1,971)	262
Comprehensive income (loss)	$ (2,308)	$ 17,042	$ 129,480	$ 167,601